If you haven’t heard tales of wonder about Rust-Oleum NeverWet yet, it’s a spray-on coating that repels liquids and can be applied to nearly any surface, and apparently it really works. So now artist Nathan Sharratt has used it to create a delightful sidewalk rain drawing, that can only be seen when the sidewalk has been rained on, with which he won the “Innovative NeverWet use” contest sponsored by Home Depot.